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Emerson KL4502X1-BA1 CHARM Standard Terminal Block

Emerson KL4502X1-BA1 CHARM Standard Terminal Block

  • Manufacturer: Emerson

  • Product No.: KL4502X1-BA1

  • Condition:1000 in stock

  • Product Type: DeltaV Terminal Block

  • Product Origin: 8962955215107

  • Payment: T/T, Western Union

  • Weight: 1000g

  • Shipping port: Xiamen

  • Warranty: 12 months

  • 24/7 Support
  • 30-Day Returns
  • Fast Shipping

Emerson KL4502X1-BA1 CHARM Standard Terminal Block - Essential Field Wiring Interface for DeltaV I/O

The Emerson KL4502X1-BA1 CHARM Standard Terminal Block serves as the critical field wiring interface for DeltaV CHARM I/O modules, providing secure, reliable connections between process instrumentation and the control system. This terminal block combines robust electrical specifications with intelligent keying mechanisms to ensure proper CHARM module installation while simplifying field wiring and maintenance operations.

Core Technical Specifications

  • Electrical Rating: 250 VAC at 2A maximum current capacity
  • Operating Temperature: -40°C to +70°C (-40°F to 158°F)
  • Environmental Protection: ISA-S71.04-1985 Class G3 airborne contaminants
  • Humidity Range: 5% to 95% non-condensing
  • Shock Resistance: 10g ½-sine wave for 11ms
  • Vibration Tolerance: 1mm peak-to-peak (2-13.2 Hz), 0.7g (13.2-150 Hz)
  • Keying System: Automatic key position setting during installation
  • System Compatibility: DeltaV CHARM I/O subsystem with electronic marshalling

Intelligent Keying & Installation Features

The KL4502X1-BA1 incorporates advanced mechanical design for foolproof installation:

Automatic Key Position Setting: The terminal block features an intelligent keying mechanism that automatically configures itself during the first CHARM module insertion. This self-keying system prevents incorrect CHARM types from being installed in the wrong position, eliminating costly wiring errors and reducing commissioning time.

Visual Verification: Color-coded terminal blocks and clear labeling enable rapid visual confirmation of proper CHARM-to-terminal block matching. This feature is particularly valuable during maintenance activities when multiple CHARM types are present in the same cabinet.

DIN Rail Mounting: Designed for standard 35mm DIN rail installation on CHARM baseplates, enabling flexible cabinet layouts and efficient use of panel space. The secure mounting mechanism withstands industrial vibration and shock conditions.

Industrial Applications & Use Cases

The KL4502X1-BA1 terminal block supports diverse field wiring scenarios across process industries:

Analog Signal Termination: Provides secure connections for 4-20mA transmitter signals, thermocouple inputs, RTD sensors, and millivolt signals. The 250 VAC rating ensures adequate isolation for mixed analog and discrete wiring in the same cabinet.

Discrete I/O Wiring: Terminates 24 VDC digital inputs from limit switches, pushbuttons, and proximity sensors, as well as digital outputs to solenoid valves, indicator lights, and motor starters. The 2A current capacity accommodates standard industrial discrete devices.

HART Communication Circuits: Supports HART-enabled transmitter wiring with proper signal integrity for simultaneous 4-20mA analog and digital HART communication. The terminal block design minimizes signal noise and maintains HART communication reliability.

Intrinsically Safe Circuits: When paired with appropriate IS CHARM modules, provides field wiring termination for intrinsically safe circuits in Zone 0/Div 1 hazardous areas. The terminal block maintains proper separation between IS and non-IS circuits.

Wiring & Connection Advantages

Engineered for efficient field installation and long-term reliability:

  • Screw Cage Terminals: Accepts 22-14 AWG (0.32-2.5 mm²) wire sizes with 7-9mm strip length for secure connections
  • Field Wiring Disconnect: Enables CHARM module removal for maintenance without disturbing field wiring, reducing downtime
  • Clear Terminal Labeling: Each terminal position is clearly marked for rapid wire identification and troubleshooting
  • Strain Relief: Integrated cable management features reduce stress on terminal connections
  • Conformal Coating: Protects against moisture, dust, and corrosive atmospheres in harsh industrial environments

System Integration Benefits

The KL4502X1-BA1 terminal block is integral to DeltaV electronic marshalling architecture:

Reduced Cabinet Space: Electronic marshalling eliminates traditional marshalling cabinets, reducing footprint by up to 70% compared to conventional I/O systems. The compact CHARM terminal blocks enable high-density I/O configurations.

Simplified Commissioning: Pre-wired terminal blocks can be installed before CHARM modules arrive, enabling parallel construction and commissioning activities. CHARMs can be inserted and configured without re-wiring.

Enhanced Flexibility: CHARM modules can be changed to different I/O types by simply resetting the terminal block keys, providing unprecedented flexibility for process modifications and expansions.

Improved Diagnostics: The terminal block works in conjunction with CHARM module diagnostics to identify wiring faults, open circuits, and short circuits, accelerating troubleshooting.

Maintenance & Serviceability

Designed for minimal maintenance and maximum uptime:

  • No periodic calibration or adjustment required
  • CHARM modules can be partially ejected to locked position for inspection without removing field wiring
  • Terminal block remains in place during CHARM replacement, preserving field connections
  • Keying system can be manually reset if CHARM type needs to be changed
  • Compatible with standard electrical test equipment for continuity and insulation testing

Environmental Ruggedness

Parameter Specification Industrial Benefit
Operating Temperature -40°C to +70°C Suitable for outdoor installations and non-climate-controlled environments
Humidity Tolerance 5-95% non-condensing Reliable operation in coastal, tropical, and high-humidity process areas
Vibration Resistance 0.7g (13.2-150 Hz) Maintains connection integrity near rotating equipment and compressors
Shock Resistance 10g ½-sine wave Withstands mechanical impacts during installation and operation

Why Choose Industrial Control Hub?

Your trusted source for genuine Emerson DeltaV terminal blocks and accessories:

  • ✓ 100% authentic OEM products with full manufacturer traceability
  • ✓ Expert DCS technical support from certified automation specialists
  • ✓ Comprehensive inventory of CHARM terminal blocks for all I/O types
  • ✓ Fast global shipping to US, UK, EU, and Asia-Pacific markets
  • ✓ Competitive pricing with volume discounts for project quantities
  • ✓ Complete wiring diagrams and installation documentation

Related DeltaV Terminal Blocks & Accessories

Product Model Description Link
KJ4110X1-BA1 DeltaV IS Terminal Block for intrinsically safe CHARM modules in hazardous areas View Product
KJ4001X1-CD1 DeltaV Mass Terminal Block 10-Pin for high-density discrete I/O applications View Product
KJ4010X1-BC1 250V 2A Fuse for Fused Terminal Block - circuit protection accessory View Product

Ordering Information & Compatible CHARMs

The KL4502X1-BA1 Standard Terminal Block is compatible with the following CHARM module families:

  • SE4303 Series - Analog Input CHARMs (4-20mA, thermocouple, RTD, mV)
  • SE4304 Series - Analog Output CHARMs (4-20mA, voltage)
  • SE4301 Series - Digital Input CHARMs (24 VDC, NAMUR, dry contact)
  • SE4302 Series - Digital Output CHARMs (24 VDC high-side, isolated)

Technical Documentation & Engineering Support

Complete installation manuals, wiring diagrams, terminal block layouts, and keying instructions available upon request. Our application engineering team provides cabinet design consultation, wire sizing calculations, and troubleshooting assistance for complex DeltaV installations.


© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191

View full details

Product Description

Emerson KL4502X1-BA1 CHARM Standard Terminal Block - Essential Field Wiring Interface for DeltaV I/O

The Emerson KL4502X1-BA1 CHARM Standard Terminal Block serves as the critical field wiring interface for DeltaV CHARM I/O modules, providing secure, reliable connections between process instrumentation and the control system. This terminal block combines robust electrical specifications with intelligent keying mechanisms to ensure proper CHARM module installation while simplifying field wiring and maintenance operations.

Core Technical Specifications

  • Electrical Rating: 250 VAC at 2A maximum current capacity
  • Operating Temperature: -40°C to +70°C (-40°F to 158°F)
  • Environmental Protection: ISA-S71.04-1985 Class G3 airborne contaminants
  • Humidity Range: 5% to 95% non-condensing
  • Shock Resistance: 10g ½-sine wave for 11ms
  • Vibration Tolerance: 1mm peak-to-peak (2-13.2 Hz), 0.7g (13.2-150 Hz)
  • Keying System: Automatic key position setting during installation
  • System Compatibility: DeltaV CHARM I/O subsystem with electronic marshalling

Intelligent Keying & Installation Features

The KL4502X1-BA1 incorporates advanced mechanical design for foolproof installation:

Automatic Key Position Setting: The terminal block features an intelligent keying mechanism that automatically configures itself during the first CHARM module insertion. This self-keying system prevents incorrect CHARM types from being installed in the wrong position, eliminating costly wiring errors and reducing commissioning time.

Visual Verification: Color-coded terminal blocks and clear labeling enable rapid visual confirmation of proper CHARM-to-terminal block matching. This feature is particularly valuable during maintenance activities when multiple CHARM types are present in the same cabinet.

DIN Rail Mounting: Designed for standard 35mm DIN rail installation on CHARM baseplates, enabling flexible cabinet layouts and efficient use of panel space. The secure mounting mechanism withstands industrial vibration and shock conditions.

Industrial Applications & Use Cases

The KL4502X1-BA1 terminal block supports diverse field wiring scenarios across process industries:

Analog Signal Termination: Provides secure connections for 4-20mA transmitter signals, thermocouple inputs, RTD sensors, and millivolt signals. The 250 VAC rating ensures adequate isolation for mixed analog and discrete wiring in the same cabinet.

Discrete I/O Wiring: Terminates 24 VDC digital inputs from limit switches, pushbuttons, and proximity sensors, as well as digital outputs to solenoid valves, indicator lights, and motor starters. The 2A current capacity accommodates standard industrial discrete devices.

HART Communication Circuits: Supports HART-enabled transmitter wiring with proper signal integrity for simultaneous 4-20mA analog and digital HART communication. The terminal block design minimizes signal noise and maintains HART communication reliability.

Intrinsically Safe Circuits: When paired with appropriate IS CHARM modules, provides field wiring termination for intrinsically safe circuits in Zone 0/Div 1 hazardous areas. The terminal block maintains proper separation between IS and non-IS circuits.

Wiring & Connection Advantages

Engineered for efficient field installation and long-term reliability:

  • Screw Cage Terminals: Accepts 22-14 AWG (0.32-2.5 mm²) wire sizes with 7-9mm strip length for secure connections
  • Field Wiring Disconnect: Enables CHARM module removal for maintenance without disturbing field wiring, reducing downtime
  • Clear Terminal Labeling: Each terminal position is clearly marked for rapid wire identification and troubleshooting
  • Strain Relief: Integrated cable management features reduce stress on terminal connections
  • Conformal Coating: Protects against moisture, dust, and corrosive atmospheres in harsh industrial environments

System Integration Benefits

The KL4502X1-BA1 terminal block is integral to DeltaV electronic marshalling architecture:

Reduced Cabinet Space: Electronic marshalling eliminates traditional marshalling cabinets, reducing footprint by up to 70% compared to conventional I/O systems. The compact CHARM terminal blocks enable high-density I/O configurations.

Simplified Commissioning: Pre-wired terminal blocks can be installed before CHARM modules arrive, enabling parallel construction and commissioning activities. CHARMs can be inserted and configured without re-wiring.

Enhanced Flexibility: CHARM modules can be changed to different I/O types by simply resetting the terminal block keys, providing unprecedented flexibility for process modifications and expansions.

Improved Diagnostics: The terminal block works in conjunction with CHARM module diagnostics to identify wiring faults, open circuits, and short circuits, accelerating troubleshooting.

Maintenance & Serviceability

Designed for minimal maintenance and maximum uptime:

  • No periodic calibration or adjustment required
  • CHARM modules can be partially ejected to locked position for inspection without removing field wiring
  • Terminal block remains in place during CHARM replacement, preserving field connections
  • Keying system can be manually reset if CHARM type needs to be changed
  • Compatible with standard electrical test equipment for continuity and insulation testing

Environmental Ruggedness

Parameter Specification Industrial Benefit
Operating Temperature -40°C to +70°C Suitable for outdoor installations and non-climate-controlled environments
Humidity Tolerance 5-95% non-condensing Reliable operation in coastal, tropical, and high-humidity process areas
Vibration Resistance 0.7g (13.2-150 Hz) Maintains connection integrity near rotating equipment and compressors
Shock Resistance 10g ½-sine wave Withstands mechanical impacts during installation and operation

Why Choose Industrial Control Hub?

Your trusted source for genuine Emerson DeltaV terminal blocks and accessories:

  • ✓ 100% authentic OEM products with full manufacturer traceability
  • ✓ Expert DCS technical support from certified automation specialists
  • ✓ Comprehensive inventory of CHARM terminal blocks for all I/O types
  • ✓ Fast global shipping to US, UK, EU, and Asia-Pacific markets
  • ✓ Competitive pricing with volume discounts for project quantities
  • ✓ Complete wiring diagrams and installation documentation

Related DeltaV Terminal Blocks & Accessories

Product Model Description Link
KJ4110X1-BA1 DeltaV IS Terminal Block for intrinsically safe CHARM modules in hazardous areas View Product
KJ4001X1-CD1 DeltaV Mass Terminal Block 10-Pin for high-density discrete I/O applications View Product
KJ4010X1-BC1 250V 2A Fuse for Fused Terminal Block - circuit protection accessory View Product

Ordering Information & Compatible CHARMs

The KL4502X1-BA1 Standard Terminal Block is compatible with the following CHARM module families:

  • SE4303 Series - Analog Input CHARMs (4-20mA, thermocouple, RTD, mV)
  • SE4304 Series - Analog Output CHARMs (4-20mA, voltage)
  • SE4301 Series - Digital Input CHARMs (24 VDC, NAMUR, dry contact)
  • SE4302 Series - Digital Output CHARMs (24 VDC high-side, isolated)

Technical Documentation & Engineering Support

Complete installation manuals, wiring diagrams, terminal block layouts, and keying instructions available upon request. Our application engineering team provides cabinet design consultation, wire sizing calculations, and troubleshooting assistance for complex DeltaV installations.


© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191

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